The taste of semen varies from person to person. Some people suggest that fruit juice and vegetables improve the taste, while red meat, cheese, and coffee may make it taste worse. This may give a slight mushroom-like taste to semen.ĭespite plenty of anecdotal evidence, there is no definitive research showing that diet affects the taste of semen. Mushrooms often contain this antioxidant. One of these components is ergothioneine. The other components are what impart taste.